Armchair



FIG. 1 is a perspective view of an armchair.

FIG. 2 is a front view of an armchair.

FIG. 3 is a side view of an armchair.

FIG. 4 is a side view of an armchair.

FIG. 5 is a back view of an armchair.

FIG. 6 is a top view of an armchair; and,

FIG. 7 is a bottom view of an armchair.

The broken lines shown in the drawing disclosure are for illustrativepurposes only and form no part of the claimed design.

The ornamental design for an armchair, as shown and described.